1) What is the primary goal of the excretory system? a) To pump blood throughout the body b) To remove metabolic waste and maintain homeostasis c) To break down food into nutrients d) To protect the body from external bacteria 2) Which substance is produced specifically from the breakdown of proteins and must be removed by the body? a) Carbon Dioxide b) Oxygen c) Urea d) Bile 3) Which organ is responsible for filtering blood and producing urine? a) The Lungs b) The Liver c) The Kidneys d) The Large Intestine 4) What is the correct order of the "Urine Pathway" from production to exit? a) Bladder ➡️ Urethra ➡️Kidneys ➡️ Ureters b) Kidneys ➡️Ureters ➡️ Bladder ➡️ Urethra c) Kidneys ➡️ Urethra ➡️ Bladder ➡️Ureters d) Ureters ➡️Kidneys ➡️Bladder ➡️ Urethra 5) These are slender, muscular tubes that use peristaltic contractions to move urine to the bladder a) Urethra b) Arteries c) Ureters d) Bronchi 6) What is the function of the Urinary Bladder? a) It filters toxins from the blood b) It stores urine until micturition (urination) occurs c) It releases sweat to cool the body d) It produces bile to break down hemoglobin 7) In addition to releasing urine, the male urethra also serves as a passage for a) Bile b) Carbon Dioxide c) Sperm d) Blood 8) Which organ is part of the excretory system because it removes gaseous waste like Carbon Dioxide? a) The Skin b) The Lungs c) The Liver d) The Kidneys 9) How does the Skin contribute to the excretory process? a) By filtering blood through the hilum. b) By exhaling oxygen. c) By releasing sweat containing water, salts and small amounts of waste d) By storing urine in the pores 10) Which organ breaks down toxins like drugs and alcohol and excretes bilirubin through bile? a) The Liver b) The Large Intestine c) The Bladder d) The Lungs

EXCRETORY SYSTEM

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